Home / 56,399.86-77,831.82-33,739.79

Finding the Fourth Proportional to 56,399.86, 77,831.82 and 33,739.79

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Solution

The fourth proportional to 56,399.86, 77,831.82 and 33,739.79 is: 46,560.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,399.86 : 77,831.82 = 33,739.79 : x
  2. Step 2: Convert to fraction form
    56,399.86/77,831.82 = 33,739.79/x
  3. Step 3: Cross multiply
    56,399.86x = 77,831.82 × 33,739.79
  4. Step 4: Simplify right side
    56,399.86x = 2,626,029,093.42
  5. Step 5: Solve for x
    x = 2,626,029,093.42/56,399.86
  6. Step 6: Final answer
    x = 46,560.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.